Apparatus for treating and utilizing sewage.



No. 739,049. PATBNTBD SEPT. 15, 19.03.,` R. J. G. WOOD. APPARATUS FORTREATING AND UTILIZING SEWAGE. APPLIOATION HLBD'JAN. 1v, 1903. No MODEL.2 SHEETS-SHEET 1 J als Ina/en R. I CBWUCI wg;

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No. 739,949. PATENTED SEPT. 15, 1903. R.. G. WOOD.

APPARATUS PO'R TREAT'ING AND UTILIZING SBWAGE.

APPLICATION FILED JAN, 17, 1903.

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ivo. 739,049.

I UNITED STATES atented September 15, 1903.

PATENT OEEICE.

ROBERT J. e. woon, OE LEONIA, NEW JERsEY.

APPARATUS AFOR 4TFiEATING ANDVUTILIZING SEWAGE.

SPECIFICATION forming part of Letters Patent No. l239,049, datedSeptember 15, 19034.

Application filed January 17,1903: Serial No. 139,491. (No model.)

T all whom it may concern:

Be it known thatI, ROBERT J. G. WOOD, a citizen of the UnitedStates,residing at Leonia, in the county of Bergen and State of NewJersey, have invented certain new and useful Improvements in Apparatusfor Treating and Utilizing Sewage, of which the following is a 1specification.

The object of this invention is to provide additional treatment. It alsoprovides a travelingstrainer and means whereby the liquid portion of thesewage may be transmitted from the filtering-cylinder to the strainerand the inelydivided solid matter eliminated therefrom, as will now beset forth in detail.

In the drawings, Figure 1 is a side elevation of my apparatus Yfortreating and utilizing sewage; Fig. 2, a top or plan view of same; Fig.3, a central vertical longitudinal section of the drying-cylinder; Fig.4, a view of the front end of the drying-cylinder with its bearings;Fig. 5, a central vertical longitudinal section of thefilteringcylinder; Fig. 6, a vertical cross-section of thefiltering-cylinder through line 6 of Fig. 5; Fig. 7, a view of rear endof the drying-cylinder along line 7 of Fig. 1, and Fig. 8 a perspectiveView of portion of the straining apparatus;

In constructing my invention I prepare a cylindrical shell 10, which ismounted within a brick casing 11, one end of which has a fireboX 12 andat its other end a chimney 13, this casing having within suitablediverting-walls 14,whereby the heat may be distributed along theentirecylinder in an eflicient manner. The cylinder-is inclined, as shown, itsrear o end being elevated above its front end a distance approximatelyequal to its diameter.'

As shown in Fig. 7, it rests on a central bearing-Wheel, the upper wheel15 having alongside a pinion 16, whichmeshes with a similar pinion 17 onthe shaft 1S, this latter shaft being driven by a main shaft 19 throughthe medium of the bevel-gears 20.

The rear end of the'drying-cylinder, as well as the front end, haveinclined bearing-surfaces 21 22, the upper bearing-'surface 22 havingcast integral therewith internal teeth 23.

The filtering-cylinder 24 is mounted so that its lower end enters theupper end of the drying-cylinder and has external teeth 25, which'engage with the internal teeth 23 of the cyllinderllO. This cylinderhas perforations 26 throughout the greater portion of its length, yandover the upper half of the cylinder is an extern al shell 27, providednear its upper end vwith an'in'olined bearing-surface 28, which restsonl a wheel 29, mounted in the wall 30.

lThe lower end of the cylinder 24 has an eX- ternal bearing-surface 31,and, as `shown more fully in Figs. 5 and 6, this bearing-collar is castwith the collar on which the teeth 25 arel formed. The lowerbearing-collar rests on la bearing-Wheel 32, and guide or idler pulleys-33 are also provided to hold the cylinder in place. p Y

Near the lower end of the ltering-cylinder 24 is adisk or annular rim34, projecting out, the object of which is to divert the liquid from thecylinder to the straining apparatus beneath. This straining apparatus iscomprised of two drums 35, one of which is mounted on the shaft 18 anddriven therewith, and over these drums `is placed a web 36, of fabric orof fine-wire mesh, as may be most suitable, a strengthening-baud 37being provided at each edge, as shown in Fig. 8. A receptacle 38 isplaced beneath this strainer to catch or divert the liquid which passesthrough the strainer. It will be Observed that the lower end of theouter shell'27 extends down to within range of the strainer, so that allthe liquid entering the cylinder 24 and passing through theVperforations 26 will be diverted to the strainer, so that the smallparticles will thus be strained from the liquid.

Mounted on the wall 40 is the reservoir 41, to which the sewage ispumped from the main reservoir. This has a pipe 42, which is IOO adaptedto discharge into the upper end of the ltering-cylinder 24. A hopper 43is also provided above the end of this cylinder, the lower end of whichdischarges into the cylinder alongside ofthe pipe 42. The object of thehopper is to receive the dried or partiallydried solid matter from thelower end of the drying-cylinder, for which purpose an endless conveyer44 is provided, which runs over a pulley 45 at the lower end of thecylinder 10 and over a similar pulley 46 above the hopper, the wholebeing driven by a sprocketchain 47 over the sprocket-wheel 48 on themain shaft 19 and sprocket-wheel 49 on the shaft 50, which carries theupper wheel.

The lower end of the drying-cylin der 10 discharges its contents onto aninclined table or way 5l, from which the solid matter or such of it asmay be disused is placed on the conveyer for additional treatmentthrough the drier.

The operation of the apparatus is as follows: Motion is imparted to themechanism from the engine to the pulley 52 on the main shaft 19. Thisrotates the drying-cylinder and the filtering-cylinder in unison, aswell as the strainer and the conveyer-belt. The liquid sewage passesfrom the reservoir 4l to the cylinder 24 through the pipe 42, andas thelatter cylinder slowly turns the liquid portion passes through theperforations 26 and passes through the strainer 36, while the solidmatter passes from the lower end of the cylinder 24 to the drier 10, andthe latter being heated is finally discharged at the lower end of thecylinder. If in the process it should be found that the solid matterthus treated is not sufficiently dried, it can readily be returned tothe upper end of the cylinders for second treatment.

I show only'one form of the strainer or means for eliminating all solidmatter from the liquid portion, as it is obvious that various means maybe employed for this purpose without departing from the spirit of myinvention. The liquid thus passing through the strainer may be disposedof by passing the same through contact-beds, whereby all soluble mattermay be rendered pure and inocuous in the usual manner employed for thispurpose.v The advantage in first removing thevast body of suspended orsolid matter before subjecting the liquid to the action of thecontact-beds must be apparent, and from the profits derived from theutilization of the solid matter it enables me to treat a greaterquantity of sewage with considerably less area of septic tanks or beds,the latter of which would otherwise have to destroya large mass byputrefaction.

1. An apparatus for treating and utilizing sewage, comprising adrying-cylinder, revolubly mounted in an inclined position in a casing,having in combination therewithaltering-cylinder, saidfiltering-cylinder projecting within the upper'end of thedrying-cylinder and rotated thereby, and having means for lreceivingsewage and discharging same into said drying-cylinder.

2. An apparatus for treating and utilizing sewage, comprising adrying-cylinder, revolubly mounted in an inclined position, in a casing,and having means for heating same, in combination with afiltering-cylinder projecting into the end of said drying-cylinder, androtated thereby, said filtering-cylinder being mounted at a greaterinclination from the horizontal than the drying-cylinder, and havingperforations, and means for receiving sewage and discharging same int-othe dryingcylinder.

3. An apparatus for treating and utilizingsewage, comprising adrying-cylinder revolubly mounted in an inclined position, in a casing,and having means for heating same, in combination with afiltering-cylinder, one end of which projects into the elevated end ofthe drying-cylinder, said filtering-cylinder being at a greaterinclination than the drying-cylinder, a detiecting-disk near its lowerend, and an exterior shell around its upper end, and provided withperforations along the central portions of said cylinder, and havingmeans for receiving sewage at its upper end, and for discharging sameinto the drying-cylinder.

4. An apparatus for treating and utilizing sewage, comprising adrying-cylinder revolubly mounted in a casing, in aninclined position,with means for heating the same, in combination with a filteringcylinder disposed at a greater angle than the drying-cylinder, saidfiltering-cylinder having its lower end projecting-into and rotated bythe dryinging-cylinder, said filtering-cylinder being perforated andhaving means for receiving sewage at its upper end, an exterior shell onthe upper half of said cylinder, a strainer below thefiltering-cylinder, and means for delivering the liquid sewage to thestrainer, and the solid matter to the drying-cylinder, as set forth.

5. An apparatus for treating and utilizing sewage, comprising adrying-cylinder, revolubly mounted in an inclined position in acasing,and having means for heating same, in combination with afiltering-cylinder, one end of which rests in the upper end of thedryingcylinder, and rotates thereby, said filteringcylinder beingdisposed at greater angle than the drying-cylinder, and having suitableperforations and means for supplying sewage to the same, a hopper at theupper end of said filtering-cylinder, and a conveyer from the dischargeend of the drying-cylinder to said hopper, whereby the dried, orpartially-dried solid matter may be conveyed back to thefiltering-cylinder, as set forth.

6. An apparatus for treating and utilizing sewage, comprising adrying-cylinder revolubly mounted in a casing, in an inclined position,and having means for heating same inl combination with afiltering-cylinder having IOO IIO

its end resting in and rotated by said dryingoylinder, perforations insaid cylinder, and means for supplying sewage to same,a strainer belowthe filtering-cylinder to receive the liquid sewage, a hopper at theupper end of the filtering-cylinder, and a conveyer from the dischargeend of the drying-cylinder to the hopper for returning dried orpartially-dried solid matter to the liltering-cylnder, as set forth.

7. An apparatus for treating and utilizing sewage, comprising a cylinderrotatably mounted in a casing, having at its sewage-receiving end aninternal toothed gear in cornbinati'on' with a filtering-cylinderprojecting within the end of said drying-cylinder, having an externaltoothed gear to lengage with the internal toothed gear for thedrying-cylinder and rotatable thereby, said filteringcylinder havingbearing-collars near each end, and wheels mounted in a frame upon whichsaid cylinder revolves', an annular deecting flange near the lower end,and a shell surrounding the upper end of the filtering-cylinder, meansfor supplying sewage to the upper end of the filtering-cylinder,perforations in the body thereof, and astrainer below thefiltering-cylinder to receive the liquid from said cylinder, as setforth.

8. An apparatus for treating and utilizing sewage, comprising adrying-eylind er revolubly mounted in an inclined position in a casing,having in combination therewith a iltering-cylinder projecting withinthe upper end of the drying-cylinder, and rotated thereby at a greaterrate of speed than the dryingcylinder, and having also means forreceiving sewage, and discharging same into said cylinder.

AIn testimony-whereof I vaffix my signature 4o in presence of twoWitnesses.

' ROBERT J. G. WOOD.

` Witnesses:

J. S. ZERBE, LOUIS SCHMITD.

